Western Digital WD400JD-20PK

The Western Digital WD400JD-20PK, a 40 GB internal hard drive, can be connected via ATA. The WD400JD-20PK is a drive that has 8 MB of cache and a 150 MB/s data transfer rate.

Caviar Blue-20 Pack 40GB SATA 8MB 7200 RPM 3.5"

For the best deal on the Western Digital WD400JD-20PK, you'll want to compare prices before you buy. Our list of stores carrying the WD400JD-20PK (located below) tracks merchants who often have bargain prices and great sales. In addition, we provide a price graph for every item, showing its high and low price history over the last three months. This lets you quickly spot price trends, so you can get the best possible deal. StreetPrices was the first site on the web to offer price graphs.